let count = 10
let songName = '痴心绝对'
let position = {
    x: 0,
    y: 0
}

function add(x, y) {
    return x + y
}

function changeDirection(direction) {
    console.log(direction)
}

const fomartPoint = point => {
    console.log('当前坐标：', point)
}

export {count, songName, position, add, changeDirection, fomartPoint}
